JGJ/T406-2017：预应力混凝土管桩技术标准

JGJT406-2017······1

1 总则······11

2 术语和符号······12

2.1 术语······12

2.2 符号······13

3 基本规定······18

4 材料与分类······22

4.1 材料······22

4.2 分类······23

5 基础设计······24

5.1 一般规定······24

5.2 桩基计算······27

5.3 构造要求······41

6 复合地基······45

6.1 一般规定······45

6.2 设计······46

7 基坑支护······49

7.1 一般规定······49

7.2 施工与监测要求······51

8 施工······53

8.2 起吊、搬运与堆放······57

8.3 接桩与截桩······58

8.4 静压法沉桩······60

8.5 锤击法沉桩······63

8.6 植入法沉桩······65

8.7 中掘法沉桩······66

9 质量检测与验收······69

9.1 质量检测······69

9.2 工程验收······72

附录A 管桩结构形式、桩身配筋及桩身力学性能参数表······74

附录B 管桩偏心受压N-M 曲线······153

附录C 管桩与腰梁、冠梁的连接构造示意图······171

附录D 静压沉桩施工记录表······174

附录E 锤击沉桩施工记录表······175

附录F 植入法沉桩施工记录表······177

附录G 静压桩机及适用范围参数表······179

附录H 柴油锤重选择及适用范围参数表······181

附录J 管桩桩尖规格及构造图······183

附录K 管桩全截面桩身混凝土抗压强度试验评价······190

本标准用词说明······192

引用标准名录······193

附: 条文说明······195

1 总则······198

3 基本规定······200

4 材料与分类······203

4.1 材料······203

4.2 分类······203

5 基础设计······204

5.1 一般规定······204

5.2 桩基计算······214

5.3 构造要求······227

6 复合地基······231

6.1 一般规定······231

6.2 设计······231

7 基坑支护······233

7.1 一般规定······233

7.2 施工与监测要求······237

8 施工······238

8.1 一般规定······238

8.2 起吊、搬运与堆放······240

8.3 接桩与截桩······240

8.4 静压法沉桩······240

8.5 锤击法沉桩······241

8.6 植入法沉桩······242

8.7 中掘法沉桩······242

9 质量检测与验收······244

9.1 质量检测······244